Course

Cell Biology

Study Pack

Set 3 An Introduction To Gene Function

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Question 1

(Multiple Choice)

Free
Which of the following is not considered part of a transcriptional unit?

A)5' UTR
B)3' UTR
C)introns
D)exons
E)none of the choices are correct.

Answer

Question 2

(Multiple Choice)

Free
Which of the following is not present in eukaryotes?

A)aminoacyl-tRNA synthetase
B)Shine-Dalgarno sequence
C)peptidyl transferase
D)EF-Tu
E)EF-G

Answer

Question 3

(Multiple Choice)

Free
A new mutant cell line was accidentally created in the lab.This mutant was found to be deficient in the enzyme aminoacyl-tRNA synthetase.Which of the following would most likely be observed in this cell line?

A)No tRNA molecules would be present.
B)tRNA molecules would contain no anticodons.
C)Most tRNA molecules would not be charged with amino acids.
D)Protein synthesis would increase.
E)None of the choices are correct.

Answer